Astronomers are closing in on evidence that a massive, unseen planet may exist far beyond Neptune. This discovery could ...

Learn more about two of the earliest reports of a total solar eclipse and corona, which were recorded in China, and solve ...

Eight planets, hundreds of moons, hundreds of thousands of asteroids, and billions of comets orbiting our Sun make up our ...

In the early 1980s, two Soviet-era missions, Venera 13 and 14, measured sound waves on Venus, producing a measurement of wind ...

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.

Despite being one of the most promising places to explore for signs of life, "special regions" and "uncertain regions" may be ...

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are known to have oceans of liquid water between the ice shell and the rocky ...

Part-time Warren County resident, environmental advocate Bill McKibben recently released “Here Comes the Sun.” ...

The importance of darkness, solar eclipses, Mars, the Webb Telescope and just how dangerous space is are the subjects for ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.